100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Water Treatment Operator Level 1 real Questions and answers 2024/2025 latest/updated exam $10.29   Add to cart

Exam (elaborations)

Water Treatment Operator Level 1 real Questions and answers 2024/2025 latest/updated exam

 0 view  0 purchase
  • Course
  • Institution

Water Treatment Operator Level 1 real Questions and answers 2024/2025 latest/updated exam What are the two important factors impacting the effectiveness of chlorination? Concentration of chlorine and contact time The treatment process that controls corrosion or scaling is known as what? Sta...

[Show more]

Preview 1 out of 4  pages

  • June 12, 2024
  • 4
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
avatar-seller
Water Treatment Operator Level 1 real
Questions and answers 2024/2025
latest/updated exam
What are the two important factors impacting the effectiveness of chlorination?
Concentration of chlorine and contact time


The treatment process that controls corrosion or scaling is known as what?
Stabilization


Permanganate reactions are highly dependent on what factor?
pH


It is hardest to kill the organism that causes what illness?
Cryptosporidiosis


Disinfection of water wells with free chlorine requires exposure for how long and at what
concentration?
12 to 24 hours; 50mg/L


Flocculation basins are usually designed to provide for detention times of how long?
15 to 45 minutes


Alum works best in a pH range of what?
5.8 to 7.5


What has little effect on colloidal particles because of their small size?
Gravity


What natural electrical force keeps colloidal particles apart in water treatment?
Zeta potential


What does the zeta potential measure?
The number of excess electrons found on the surface of all particulate matter


What device collects the settled water as it leaves the sedimentation basin?
The effluent launder


In solid-contact basins with fairly constant water quality parameters, how often should the solids
concentration be determined?
At least twice per day


What is the definition of decant?
To draw off the liquid from a vessel of any size without stirring up bottom sedimentation

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller ACADEMICAIDSTORE. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $10.29. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

77333 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$10.29
  • (0)
  Add to cart